5 8 6 1 point A force of 4,700 N on an iceberg causes an acceleration of 2m/s2. What is the mass of the iceberg in kg? Type your answer... 4 1 point A goalie hits a 1.5 kg hockey puck with a force of 75N what is the pick's acceleration in m/s²? Type your answer... 7 1 point A 0.05 Kg balloon is accelerated 10 m/s2 by a gust of wind. What force did the wind apply in Newtons? Type your answer.... 1 point 12000 car is stuck in the snow and 4 neonle nuch with a combined force of 100 N on the car to get it moving How fact in m/c2
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A:
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A: (a) final velocity v=u+gt=0+9.8 m/s21.2 s=11.76 m/s≈12 m/s
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- mass. You place the mass on the ramp at an angle high enough that the mass starts sliding. You measure the time it takes to fall down a known distance, The time it takes to fall down the 45 degree ramp You have devised an experìment to measure the kinetic coefficient of friction between a ramp and a starting from a standstill is At = 0.55 sec, m-1 kg, and the distance it falls, Az, is 0.5 m. What is ? 7. Ax in At UgA toddler pushes a play shopping cart around her room. Her mass is 14 kg, the cart is 5 kg and the items in the cart is 5kg. The toddler exerts a backward force on the floor of 60 N. Calculate the force the toddler exerts on the cart. All forces opposing the motion, such as the friction of the cart's wheels and air resistance, total 9 N.What is a, in m/s ? 500 kg frictionless, massless pulleys = 0.2 400 kg
- A space worker exerts a force of 256 N on a spaceship and it accelerates at 8 m/s/s. What is the ship's mass?A box weighs 45N on Earth. what is the mass of the box on Earth? Use g = 9.8m/s^2. Don't round your answer. A. 49kg B. 441kg C. 4.59lbs D. 4.59 kgA force of 3.3 N is exerted on a 7.9 g rifle bullet. What is the bullets acceleration?
- Ms. Estes is trying to assess which of her Physics students best comprehend the concepts of mass and weight. Which students offer the most accurate descriptions of mass and weight? Albert: Weight is a measurement of the force of gravity acting on an object.Catherine: Weight is a measurement of how many atoms are contained in an object.Evelyn: Weight is a measurement of how strong the Earth pushes upward on an objectBetty: Mass is a measurement of how much space an object takes up.Delilah: Mass is a measurement of how much matter an object has and of its inertia.Francis: Mass is a measurement that explains why all objects accelerate at -9.8 m/s2.Rachel pulls a 30.0 kg box across the floor with a rope that makes an angle of 32o with the floor. She pulls with a force of 250 N. The coefficient of friction between the box and the floor is 0.75. What is the acceleration of the box?A Roller Coaster train and its passengers have a combined mass of 1375 kg. The train comes over the top of the first hill on a roller coaster, 45 m above the ground with a velocity of 10.5 m/s. a) The train goes down the hill on to another hill 18 m above the ground. What is its velocity on top of the second hill. b) What will be its velocity when it reaches the ground level from the top of the second hill.
- Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). The force of friction on the sled is 60N and he pulls horizontally with 65N. a. What is the normal force on the sled?b. What is the acceleration of the sled?c. How fast will they be moving in 60s if they started from rest?d. How far will they go in this time?a car with mass 850kg is moving in the right direction at a constant speed of 1.44m/s.what is the force on the car?A box whose mass is 90.7 kg is sitting on a flat, frictionless surface. I pull sideways on the box. The box accelerated at 8.4 m/s?. How hard (in newtons) did I pull?